funnel vs trunking

funnel

noun
  • A passage or avenue for a fluid or flowing substance; specifically, a smoke flue or pipe; the chimney of a steamship or the like. 

  • A utensil in the shape of an inverted hollow cone terminating in a narrow pipe, for channeling liquids or granular material; typically used when transferring said substances from any container into ones with a significantly smaller opening. 

verb
  • To consume (beer, etc.) rapidly through a funnel, typically as a stunt at a party. 

  • To proceed through a narrow gap or passageway akin to a funnel; to condense or narrow. 

  • To channel, direct, or focus (emotions, money, resources, etc.). 

  • To use a funnel. 

trunking

noun
  • The movement of containers or packages between a terminal and a transporter's inland facilities, or the scheduled transportation service between locations. 

  • All the electrical and communications cables bundled together and distributed through a building. 

  • A system of ducts for cables, heating or ventilation. 

  • Plastic conduit or duct used to conceal and protect electrical wiring. 

  • A two-way radio technique that uses a control channel to automatically assign frequency channels to groups of user radios. 

How often have the words funnel and trunking occurred in a corpus of books? (source: Google Ngram Viewer )